Special positions are subject to availability. All guaranteed position might not be cancelled after confirmation. Special booking such as insert, advertorials are available upon request.

本刊有权保留广告客户要求的指定位置，广告客户之预订确认后不得取消； 其它特殊规格如插页、软性文章等等的价目，可向本刊查询。

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All rates are subject to individual booking deadlines at the hotels, and room availability.

以上各项价格均以个别酒店所设之预订限期为准及视乎其客房供应情况而定。

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We were not able to confirm your booking for the following itinerary, due to airline availability problems.

我们无法确认您正在预定的下列行程，取决于该航班的有效性。

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They determined that any service, whether it's booking a trip or sending a package, shares 85 common characteristics, including availability, price, reservation style and the ability to change or cancel a deal.

FORBES: Magazine Article

Air France offers obese passengers booking a second seat up to 33 percent off the ticket price, depending on the type of seat and availability.

CNN: Airline policies juggle larger passengers